[8.13] [Security Solution][Endpoint] Remove responder FTR test (#175454)

[kibanamachine]

Backport

This will backport the following commits from main to 8.13:

• [Security Solution][Endpoint] Remove responder FTR test (#175454)

Questions ?

Please refer to the Backport tool documentation

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 86be10f

Failed CI Steps

• FTR Configs #92

Test Failures

• [job] [logs] FTR Configs #92 / Serverless security API cloud_security_posture GET /internal/cloud_security_posture/status STATUS = INDEXED TEST "before each" hook for "Return kspm status indexed when logs-cloud_security_posture.findings_latest-default contains new kspm documents"

Metrics [docs]

✅ unchanged

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @ashokaditya